Some vehicles may experience a high pitched whistle under light throttle conditions. This can be corrected by resealing the throttle body at the intake manifold using a small amount of rtv sealer.
Average mileage: 90,000 (90,000–90,000)
Engines affected: 3.7L V6, 4.7L V8
1 model year affected: 2007
2 people reported this problem